InChI=1S/C18H24F3NO3/c1-4-5-6-10-25-17(24)15(12(2)3)22-16(23)13-8-7-9-14(11-13)18(19,20)21/h7-9,11-12,15H,4-6,10H2,1-3H3,(H,22,23)